DE3776660D1 - SAFETY LOCK FOR FILTER HOUSING. - Google Patents
SAFETY LOCK FOR FILTER HOUSING.Info
- Publication number
- DE3776660D1 DE3776660D1 DE8787115829T DE3776660T DE3776660D1 DE 3776660 D1 DE3776660 D1 DE 3776660D1 DE 8787115829 T DE8787115829 T DE 8787115829T DE 3776660 T DE3776660 T DE 3776660T DE 3776660 D1 DE3776660 D1 DE 3776660D1
- Authority
- DE
- Germany
- Prior art keywords
- pump
- filter
- slope
- filter housing
- safety lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 235000014676 Phragmites communis Nutrition 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/24—Covers or similar closure members for pressure vessels in general with safety devices, e.g. to prevent opening prior to pressure release
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/301—Details of removable closures, lids, caps, filter heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
- B01D2201/301—Details of removable closures, lids, caps, filter heads
- B01D2201/304—Seals or gaskets
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- External Artificial Organs (AREA)
- Filtration Of Liquid (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
A pressurised filter, esp. for material delivered by a pump, has a massive cover (36) which supplies a release signal for operation of pump and filter only when in correct rotational position relative to the housing. The cover and the housing aperture include an emitter element, (optical, magnetic or inductive) and a sensor such as a Reed relay. A guide bolt travels in grooves with sections varying in slope, with one section having no slope but including recesses (62) in which the bolt can engage when the pump has been cut off, while the filter still contains pressurised material whose emission is undesirable.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19870115829 EP0313677B1 (en) | 1987-10-28 | 1987-10-28 | Safety lock for a filter housing |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3776660D1 true DE3776660D1 (en) | 1992-03-19 |
Family
ID=8197398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787115829T Expired - Lifetime DE3776660D1 (en) | 1987-10-28 | 1987-10-28 | SAFETY LOCK FOR FILTER HOUSING. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0313677B1 (en) |
DE (1) | DE3776660D1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994020784A1 (en) * | 1993-03-05 | 1994-09-15 | Sheringham Investments Pty. Ltd. | Dispenser for hot and cold water |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2792123A (en) * | 1953-05-05 | 1957-05-14 | Erie Meter Systems Inc | Repackable filter cartridge |
BE830721A (en) * | 1975-06-27 | 1975-12-29 | AUTOMATIC LID PROTECTION FOR PRESSURE VESSEL | |
FR2440516A1 (en) * | 1978-11-06 | 1980-05-30 | Lautrette Ind Sa | Inspection cover for high pressure gas supply - has locking ring with lugs to prevent opening under pressure |
DE3217371C2 (en) * | 1981-07-25 | 1983-12-22 | Ing. Walter Hengst GmbH & Co KG, 4400 Münster | Loosening safety device for one screw |
-
1987
- 1987-10-28 EP EP19870115829 patent/EP0313677B1/en not_active Expired - Lifetime
- 1987-10-28 DE DE8787115829T patent/DE3776660D1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0313677B1 (en) | 1992-02-05 |
EP0313677A1 (en) | 1989-05-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |